very interesting the role of marco rubio, the republican senator of florida, himself an immigrant from cuba to the united states. he's out there selling this comprehensive immigration reform legislation to some skeptics, including on the rush limbaugh show today. listen to this. >> i think there's this false argument that's been advanced by the left that conservatism and republicans are anti-immigrant and anti-immigration and we are not. never have been. we are pro-legal immigration and we recognize that our legal immigration system needs to be reformed. we also recognize, because conservatism has always been about commonsense, that we have an existing problem that has to be belt with in the best way possible. >> how important is rubio's role in getting this comprehensive legislation reform passed? >> i don't think you can overstate it, wolf. it's very, very important. here's someone with undeniable conservative credentials, a bona fide member of the tea party who is effectively trying to save, i would argue, save the republican party from itself on the question of immigration. is he somebo